Dan's car depreciates at a rate of 13% per year. By what percentage has Dan's car depreciated after 4 years?
Give your answer to the nearest percent

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Ineed if you could explain and give me the answer you! this needs done

41/17 as a decimal rounded to the nearest hundredth